OpenAI
Gpt 5 Nano 2025 08 07
gpt-5-nano-2025-08-07
Input price
$0.05
per 1M tokens
Output price
$0.4
per 1M tokens
Context window
272K
tokens
Cost examples
| Token count | Input cost | Output cost | Combined |
|---|---|---|---|
| 1K tokens | < $0.01 | < $0.01 | < $0.01 |
| 10K tokens | < $0.01 | < $0.01 | < $0.01 |
| 100K tokens | < $0.01 | $0.04 | $0.045 |
| 1M tokens | $0.05 | $0.4 | $0.45 |
Combined column assumes equal input and output tokens. Actual costs depend on your prompt-to-completion ratio.
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